Official Site of the Boston Men's Baseball League
"New England's Largest Adult Baseball League"
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The Boston Men's Baseball League is the local chapter of the national Men's Senior Baseball League (MSBL, founded in 1988) and Men's Adult Baseball League (MABL, founded in 1993). In 2017, the league had 41 teams across three age divisions to satisfy the needs of amateur players of all ages.

Boston Men's Baseball League
1558 Whipple Road
Tewksbury, MA 01876
617-BASEBALL (617-227-3225)
email: president at BostonMSBL dot com

Men's Adult Baseball League (MABL) - Ages 18 and over.
Approximately 10 teams compete in a 24-game schedule, plus playoffs. Games are typically played either Saturday or Sunday, plus 5-8 weeknight games per season. Teams play primarily in Boston, but players reside all over eastern Massachusetts, some as far north as New Hampshire, as far south as Rhode Island and as far west as Worcester. The regular season usually begins the last weekend of April and playoffs end in late-September and sometimes early October. Wood bats only are permitted.

Men's Senior Baseball League (MSBL 28+) Ages 28 and over.
Approximately 30 teams across multiple tiers play a 24-game schedule. The regular season usually begins the last weekend of April and playoffs run until late-September. Teams play on both Suburban and Boston fields, while players reside all over the eastern Massachusetts area. Wood bats only are permitted. Teams historically have included:

  • Boston, Braintree, Brockton, Cambridge, Lexington, Malden, Natick, North Andover, Scituate, Somerville, Waltham, Wayland, Winchester, Dorchester, Lynn, Medford, Milton, Newton, North Shore, Quincy, Roxbury, Watertown and Wellesley, among others.

Master's Division Men's Senior Baseball League (MSBL 38+) - Ages 38 and over
8-10 teams play an approximate 14 game schedule, usually one weeknight a week. The regular season usually begins early-May with playoffs running until the end of September. Teams have been based out of Acton, Billerica, Boston, Braintree, Brockton, Duxbury, Quincy, and Wellesley -- but the players reside all over.


The Men's Senior Baseball League (MSBL)/Men's Adult Baseball League (MABL) is a national organization with 325 local affiliates, 3,200 teams and more than 45,000 members who play organized amateur baseball in local leagues, 30 regional tournaments and six national tournaments. The MSBL/MABL World Series and Fall Classic take place every October/November in Arizona and Florida, respectively, playing on almost exclusively MLB Spring Training fields. There are two tournaments held over Martin Luther King Jr. weekend in January, the MSBL/MABL Holiday Classic at Disney which is held at the Atlanta Braves spring training facility in Orlando, and a new addition is the Desert Classic which takes place in Palm Springs, CA. The Las Vegas Kickoff Classic, held in ealry-mid March, has become one of our most highly attended tournaments with 104 teams in 2005. Aside from the many regional tournaments held over Memorial Day, the Las Vegas Open is another national tournament which attracts 60 teams each year. Our national tournaments hosted a total of 650 teams in 2004 making them the largest amateur baseball tournaments in the world.

The MSBL/MABL is the largest adult baseball organization in the country. Started in 1986 with 60 members, the MSBL/MABL is now 45,000 players strong. Among the members are doctors, lawyers, local businessmen, former professional athletes, and average working men. All are united by a common passion for playing and enjoying baseball.

MSBL/MABL members are serious athletes of various skill levels. They exhibit a special commitment in their chosen sports, in their professions, and as contributors to the well-being of their communities. Nationwide, there are divisions for those aged 18+, 25+, 35+, 45+, 55+, and 65+.

The MSBL/MABL has been featured in over 600 local radio, T.V. and newspaper accounts and has reached national prominence with major articles in Sports Illustrated, Sport, Baseball America, USA Today, Sporting News and the US News and World Report. In addition, MSBL/MABL has been in the spotlight on broadcasts of the Today Show and Good Morning America.

Visit the MSBL National website for more information or to find other leagues across the country.


We are always looking for more players and teams. Having access to a field is required to be considered entry into the league.


or call 617-BASEBALL